<template>
  <div class="login">
    <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">校园论坛系统</h3>
      <el-form-item prop="username">
        <el-input
          v-model="loginForm.username"
          type="text"
          size="large"
          auto-complete="off"
          placeholder="账号"
        >
          <template #prefix>
            <el-icon>
              <User />
            </el-icon>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          size="large"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter="handleLogin"
        >
          <template #prefix>
            <el-icon class="el-input__icon input-icon"><Lock /></el-icon>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="captchaEnabled">
        <el-input
          v-model="loginForm.code"
          size="large"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter="handleLogin"
        >
          <template #prefix>
            <el-icon><Dish /></el-icon>
          </template>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img"/>
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:-12px 0px 18px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="large"
          type="primary"
          style="width:100%; margin-bottom: 25px;"
          @click.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="position: absolute; left: 0px; top:40px;" v-if="register">
          <router-link  class="link-type" :to="'/register'">立即注册</router-link>
        </div>
        <div style="position: absolute; right: 0px; top:40px;" v-if="register">
          <router-link  class="link-type" :to="'/updatePassword'">忘记密码</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2024 fanlong All Rights Reserved.  赣ICP备2024040628号-1</span>
    </div>
  </div>
</template>

<script setup>
import { getCodeImg } from "@/api/login";
import { listNotice } from "@/api/system/notice";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import useUserStore from '@/store/modules/user'
import {ref, watch, getCurrentInstance,onMounted} from 'vue'
// import {ref, watch, getCurrentInstance,toRaw} from 'vue'
import {useRoute,useRouter} from 'vue-router'
import {ElMessage} from 'element-plus';
import { ElNotification } from 'element-plus';
// import { set } from "undraw-ui";
 
// onMounted(() => {
//   const route = useRoute();
//   document.title = `${route.meta.title}`;
// });
const userStore = useUserStore();
const route = useRoute();
const router = useRouter();
const { proxy } = getCurrentInstance();
const loginForm = ref({
  username: "",
  password: "",
  rememberMe: false,
  code: "",
  uuid: ""
});
// adminadmin123
const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }]
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 注册开关
const register = ref(true);
const redirect = ref(undefined);

watch(route, (newRoute) => {
  console.log("路由跳转login后：",newRoute);
    redirect.value = newRoute.query && newRoute.query.redirect;
}, { immediate: true });

function handleLogin() {
  proxy.$refs.loginRef.validate(valid => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username1", loginForm.value.username, { expires: 30 });
        Cookies.set("password1", encrypt(loginForm.value.password), { expires: 30 });
        Cookies.set("rememberMe1", loginForm.value.rememberMe, { expires: 30 });
      } else {
        // 否则移除
        Cookies.remove("username1");
        Cookies.remove("password1");
        Cookies.remove("rememberMe1");
      }
      console.log("开始调用登录方法")
      // 调用action的登录方法
      userStore.login(loginForm.value).then(() => {
        const query = route.query;
        const otherQueryParams = Object.keys(query).reduce((acc, cur) => {
          if (cur !== "redirect") {
            acc[cur] = query[cur];
          }
          return acc;
        }, {});
        ElMessage({
          message: "登录成功。",
          type: 'success'
        });
        getNotice();
        
        router.push({ path: redirect.value || "/", query: otherQueryParams });
      }).catch(() => {
        loading.value = false;
        // 重新获取验证码
        if (captchaEnabled.value) {
          getCode();
        }
      });
    }
  });
}

function getNotice(){
  console.log("开始调用公告接口。");
  var query = {
    status: 0
  }
  listNotice(query).then(res => {
    console.log(res);
    if(res.code == 200){
      var rows = res.rows;
      console.log("rows",rows);
      console.log("rows.lengrh",rows.lengrh);
      for(var i=0;i<rows.length;i++){
        console.log("i",i);
        console.log("rows[i].noticeType",rows[i].noticeType);
        var start = (new Date()).getTime();
        while((new Date()).getTime() - start < 500) {
            continue;
        }
        if(rows[i].noticeType == 1){
          (function (row){
            setTimeout((content)=>{
            console.log("content",content);
            ElNotification({
              title: '系统通知',
              message: row.noticeContent,
              duration: 0,
              dangerouslyUseHTMLString: true,
            });
          },500);
          })(rows[i])
        }else{
          (function (row){
            setTimeout((content)=>{
            console.log("content",content);
            ElNotification({
              title: '系统公告',
              message: row.noticeContent,
              duration: 0,
              dangerouslyUseHTMLString: true,
            });
          },500);
          })(rows[i])
          // ElNotification({
          //   title: '系统公告',
          //   message: rows[i].noticeContent,
          //   duration: 0,
          //   dangerouslyUseHTMLString: true,
          // });
        }
      }
    }
    
  });
}
function getCode() {
  getCodeImg().then(res => {
    captchaEnabled.value = res.captchaEnabled === undefined ? true : res.captchaEnabled;
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.img;
      loginForm.value.uuid = res.uuid;
    }
  });
}

function getCookie() {
  const username = Cookies.get("username1");
  const password = Cookies.get("password1");
  const rememberMe = Cookies.get("rememberMe1");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
  };
}

getCode();
getCookie();
</script>

<style lang='scss' scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  // height: 100%;
  height: 100vh;
  background-image: url("../assets/images/background.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
  font-weight: bolder;
  font-size: 24px;
}

.login-form {
  border-radius: 6px;
  // background: #ffffff;
  background-color: rgba(255, 255, 255, 0.7);
  width: 400px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 40px;
    input {
      height: 40px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  border-radius: 10%;
  width: 33%;
  height: 40px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img { 
  height: 40px;
  padding-left: 12px;
}
</style>
